The scrip of crisis-hit fintech company surged 5 per cent each to Rs 376.45 and Rs 376.25 apiece — its upper circuit limit — on the BSE and NSE. The 30-share BSE Sensex benchmark gained 37.98 points or 0.05 per cent to 72,746.14, while NSE Nifty rose 3.05 points to 22,110.60.